<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="app">
    </div>

    <script>
        let obj = {};
        let obj1 = {};
        console.log( obj == obj1 ); // false 指向的是不同的地址

        let param = {"name": "测试"};
        let p1 = param;
        let p2 = param;
        let p3 = param;

        console.log(p1 == p2);  // 指向的是同一个地址

    </script>
</body>

</html>